cccc cccl cccp ccee ccel cclc cclx ccpe ccpl ccpp ccxl cec- cece cecp ceec ceel cel- celc cele cell cepc cepe cepp cexe clec clee clep clpp clpx clxx cpce cpep cplc cxxx e-cl eccc ecce eccl ecpp eeee eele el-p elce elec elee elex elle elpe epcc epec epee eple epll eppc eppp epxp excl exec exel lccc lcce lcpc lcpl lece leel leep lele lell lepe lepp lexx llcc lllc llll lpec lppl lxxx pccc pcce pccl pcep pcll pcpp pece pecl peec peel peep pel- pele pell pepe plcc plce ple- plec plee plex plpp ppcc pple pppp xcel xexe xlpe xpcc xxxx